The 2H-1-Benzopyran-2-one,7-(a-L-arabinofuranosyloxy)-4-methyl-, with the CAS registry number 77471-44-4, is also called 4-Methyl-2-oxo-2H-chromen-7-yl β-L-xylofuranoside. It belongs to the following product categories: 13C & 2H Sugars; Carbohydrates & Derivatives; Fluorescent Labels & Indicators; FluorogenicSubstrates; Activity; Arabinoside; Enzyme Substrates; Fluorogenic. And the molecular formula of the chemical is C₁₅H₁₆O₇. What's more, it should be stored at -20°C.

The characteristics of 2H-1-Benzopyran-2-one,7-(a-L-arabinofuranosyloxy)-4-methyl- are as followings: (1)ACD/LogP: 1.12; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.12; (4)ACD/LogD (pH 7.4): 1.12 ; (5)#H bond acceptors: 7; (6)#H bond donors: 3; (7)#Freely Rotating Bonds: 6; (8)Polar Surface Area: 105.45Ų; (9)Index of Refraction: 1.631; (10)Molar Refractivity: 73.97 cm³; (11)Molar Volume: 207.4 cm³; (12)Polarizability: 29.32×10^-24cm³; (13)Surface Tension: 67.5 dyne/cm; (14)Density: 1.486 g/cm³; (15)Flash Point: 228.1 °C; (16)Enthalpy of Vaporization: 93.84 kJ/mol; (17)Boiling Point: 599.4 °C at 760 mmHg; (18)Vapour Pressure: 3.24E-15 mmHg at 25°C.

You should be cautious while dealing with this chemical. It irritates to eyes and skin, and it is also harmful by inhalation and if swallowed. Therefore, you had better take the following instructions: Keep container tightly closed; Avoid contact with skin; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).  
 
Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Cc1cc(=O)oc2c1ccc(c2)OC3C(C(C(O3)CO)O)O
(2)InChI: InChI=1/C15H16O7/c1-7-4-12(17)21-10-5-8(2-3-9(7)10)20-15-14(19)13(18)11(6-16)22-15/h2-5,11,13-16,18-19H,6H2,1H3/t11-,13+,14-,15-/m0/s1
(3)InChIKey: FAGLTVBWEMHJRP-ATGSNQNLBD